WordNet (r) 3.0 (2006):
dash off v 1: write quickly; "She dashed off a note to her husband saying she would not be home for supper"; "He scratched off a thank-you note to the hostess" [syn: dash off, scratch off, knock off, toss off, fling off] 2: write down hastily; "She dashed off a letter to her lawyer" [syn: dash down, dash off]